B23C 3/122
Of pipes or cylinders
Official title: {of pipes or cylinders}
B23C3/122 (Of pipes or cylinders) appears on 44 US grants and 53 published applications in this corpus.
Search patents in B23C- Granted patents
- 44
- Published applications
- 53
- Assignees
- 37
- Inventors
- 101
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 2 | 5 |
| 2011 | 1 | 1 |
| 2012 | 2 | 3 |
| 2013 | 0 | 2 |
| 2014 | 0 | 4 |
| 2015 | 1 | 6 |
| 2016 | 3 | 4 |
| 2017 | 6 | 3 |
| 2018 | 7 | 2 |
| 2019 | 6 | 6 |
| 2020 | 1 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 4 |
| 2025 | 0 | 2 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- External and internal chamfer tool22 Sep 2026US 12,741,325 B2
- Inline weld-bead cutting apparatus for spiral pipe15 Sep 2026US 12,734,595 B2State Pipe & Supply, Inc.
- Multifunctional device for removing film from pipe16 Jun 2026US 12,655,927 B2Dcseng Co., Ltd.
- Facing machine for preventing inflow of cutting chips into tube3 Dec 2024US 12,157,174 B2Dcseng Co., Ltd.
- Apparatus for metal-cutting machining of wear-affected bit holders of road milling machines, and use of an apparatus for overhauling such wear-affected bit holders15 Mar 2022US 11,273,502 B2Wirtgen GmbH
- Machine Tool12 Mar 2026US 2026/0070129 A1Star Micronics Co., Ltd.
- Welding machines for pipelines2 Oct 2025US 2025/0303506 A1Ritmo S.P.A.
- Milling system for sewer rehabilitation22 May 2025US 2025/0162046 A1
- Machining apparatus and method for machining the outer circumference of a rotor by using such an apparatus15 Aug 2024US 2024/0269789 A1Siemens Energy Global GmbH & Co. KG
- Inline weld-bead cutting apparatus for spiral pipe18 Jul 2024US 2024/0238882 A1State Pipe & Supply, lnc.
Most cited
By later US patents
- Portable plastic pipe cutter beveller system26US 6,938,313 B22005
- Cutting and beveling tool26US 7,270,505 B2Tri Tool Inc. · 2007
- Portable beveling tool14US 8,297,157 B1TKM Tools, Inc. · 2012
- Pipe resistance butt welding apparatus11US 4,436,974 AInstitut Elektrosvarki Imeni E. O. Patona Akademii Nauk Ukrainskoi SSR · 1984
- Simultaneous pipe cutting and chamfering device10US 7,578,643 B12009